Some people are speculating that rapid tests have lost their ability to detect some of the newer coronavirus variants, but experts say it’s not the case.

Many specialists see rapid at-home COVID tests as a crucial tool in the off-ramp to the pandemic -- assuming Americans know how and when to use them.

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what ...

To determine whether your COVID test is still usable, you can check the at-home COVID-19 tests listed on the FDA's website to see which brands have had their shelf lives extended.

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

RSV tests include nasal swabs or blood tests to detect the virus's genetic material or antibodies, but rapid tests provide quick results.

Experts say rapid home tests still work to detect the latest variants of the virus that causes Covid-19, but how and when home tests are used has changed.

There are reasons why your test might say you’re negative why you actually have COVID. For one thing, people are using rapid tests differently than they used to. Our immunity factors, in, too.